new Release Candidate of PHP 5.4.20 and PHP 5.5.4
initialize next version 2.23
update APCu reference to 4.0.2
update pthreads reference to 0.0.45
add note about gentest.php script to generate unit test class
add new Rar reference
add releases version status
fix class name (case sensitive)
add new reference to PDFlib
add new reference to htscanner
make it compatible with future lazy loader reference
introduce an experimental lazy loader compatible with other loaders that act as proxies now
new versions of PHP 5.4 and PHP 5.5 were released
drop support of PHP 5.2 and reference PHP4
removed reference PHP4
new stable release 2.23 is ready
Merge branch 'develop'